Quick-change fluid section for piston-type paint pumps

Details Quick-change fluid section for piston-type paint pumps Quick-change fluid section for piston-type paint pumps

1991-07-30

1993-07-20

Bertsch, Richard A.

Pumps

Motor driven

Including means for facilitating assembly or disassembly of...

417554, 277124, F04B 3500, F04B 3910, F16J 1516

Patent

active

052288420

ABSTRACT:
An improved quick-change fluid section for piston-type paint pumps having a mounting flange with keyhole shaped apertures at one end and a threaded fitting at the other end to couple a fluid section housing to driving means via a slide housing. The piston and slide are retained in reciprocable driving relationship via a transverse pin held in place by a circumferential spring received in a circumferential groove on the slide. The spring and pin are accessible via diametrically opposed apertures in the mounting flange. The fluid section housing is bifurcated and has sealing means which may be either a packing set of alternating elastomeric and leather V-rings or lip-type seals. The sealing means is immediately available upon separation of the two portions of the fluid section and may be removed without the need for special tools. An inline or right angle inlet or suction fitting may be utilized with the fluid section.

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